164582428505 has 16 divisors (see below), whose sum is σ = 215486711424. Its totient is φ = 119677783680.

The previous prime is 164582428477. The next prime is 164582428547. The reversal of 164582428505 is 505824285461.

It is a happy number.

It is not a de Polignac number, because 164582428505 - 2¹⁰ = 164582427481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132092 + ... + 588738.

It is an arithmetic number, because the mean of its divisors is an integer number (13467919464).

Almost surely, 2^164582428505 is an apocalyptic number.

It is an amenable number.

164582428505 is a deficient number, since it is larger than the sum of its proper divisors (50904282919).

164582428505 is a wasteful number, since it uses less digits than its factorization.

164582428505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463216.

The product of its (nonzero) digits is 3072000, while the sum is 50.

The spelling of 164582428505 in words is "one hundred sixty-four billion, five hundred eighty-two million, four hundred twenty-eight thousand, five hundred five".